remove toast notifications when the entire conversation is read

Author: Trolldemorted

Signal-Windows.Lib/Signal-Windows.Lib.csproj

@@ -156,7 +156,7 @@
     <Compile Include="SignalMessageContainer.cs" />
     <Compile Include="Storage\DB.cs" />
     <Compile Include="Storage\Store.cs" />
-    <Compile Include="Util\SignalNotificationsUtils.cs" />
+    <Compile Include="Util\NotificationsUtils.cs" />
     <EmbeddedResource Include="Properties\Signal_Windows.Lib.rd.xml" />
   </ItemGroup>
   <ItemGroup>

Signal-Windows.Lib/Util/NotificationsUtils.cs

@@ -12,6 +12,7 @@ namespace Signal_Windows.Lib
 {
     public class NotificationsUtils
     {
+        public static ToastNotifier Notifier = ToastNotificationManager.CreateToastNotifier();
         public static void Notify(SignalMessage message)
         {
             TryVibrate(true);
@@ -63,7 +64,7 @@ public static void SendMessageNotification(SignalMessage message)
                 toastNotification.ExpirationTime = DateTime.Now.Add(TimeSpan.FromSeconds(message.Author.ExpiresInSeconds));
             }
             toastNotification.Tag = notificationId;
-            ToastNotificationManager.CreateToastNotifier().Show(toastNotification);
+            Notifier.Show(toastNotification);
         }
 
         private static IList<AdaptiveText> GetNotificationText(SignalMessage message)
@@ -123,5 +124,10 @@ public static void SendTileNotification(SignalMessage message)
             }
             TileUpdateManager.CreateTileUpdaterForApplication().Update(tileNotification);
         }
+
+        public static void Withdraw(string threadId)
+        {
+            ToastNotificationManager.History.Remove(threadId);
+        }
     }
 }

Signal-Windows/Controls/Conversation.xaml.cs

@@ -319,7 +319,8 @@ private void ConversationSettingsButton_Click(object sender, RoutedEventArgs e)
         private void ScrollViewer_ViewChanged(object sender, ScrollViewerViewChangedEventArgs e)
         {
             int bottomIndex = GetBottommostIndex();
-            if (SignalConversation.LastSeenMessageIndex < bottomIndex)
+            if (Window.Current.CoreWindow.ActivationMode == CoreWindowActivationMode.ActivatedInForeground
+                && SignalConversation.LastSeenMessageIndex < bottomIndex)
             {
                 Task.Run(() =>
                 {

Signal-Windows/Signal-Windows.csproj

@@ -315,7 +315,6 @@
       <Name>Windows Mobile Extensions for the UWP</Name>
     </SDKReference>
   </ItemGroup>
-  <ItemGroup />
   <ItemGroup>
     <ProjectReference Include="..\Signal-Windows.Lib\Signal-Windows.Lib.csproj">
       <Project>{1934fd82-a5ea-4b71-b915-a1826593cb6e}</Project>

Signal-Windows/SignalWindowsFrontend.cs

@@ -78,16 +78,20 @@ public void HandleAttachmentStatusChanged(SignalAttachment sa)
         public void HandleMessageRead(long messageIndex, SignalConversation conversation)
         {
             Locator.MainPageInstance.HandleMessageRead(messageIndex, conversation);
+            if (ApplicationView.GetForCurrentView().Id == App.MainViewId)
+            {
+                if (conversation.UnreadCount == 0)
+                {
+                    NotificationsUtils.Withdraw(conversation.ThreadId);
+                }
+            }
         }
 
         public void HandleUnreadMessage(SignalMessage message)
         {
             if (ApplicationView.GetForCurrentView().Id == App.MainViewId)
             {
-                if (message.Author != null)
-                {
-                    NotificationsUtils.Notify(message);
-                }
+                NotificationsUtils.Notify(message);
             }
         }
     }